\begin{tabular*}{1\textwidth}{l@{\extracolsep{\fill}}*{6}{c}}
\toprule
& \multicolumn{2}{c}{\textbf{Overall}} & \multicolumn{2}{c}{\textbf{Morning}} & \multicolumn{2}{c}{\textbf{Afternoon}}  \\
\cmidrule(lr){2-3}\cmidrule(lr){4-5}\cmidrule(lr){6-7} & Output & Minutes & Output & Minutes & Output & Minutes \\
 & (1) &(2) & (3) & (4) & (5) & (6) \\
\midrule
Night-Sleep Treatments & 0.85 & 0.80 & 0.83 & 0.94 & 0.85 & 0.80\\
& (0.03) & (0.13) & (0.05) & (0.54) & (0.04) & (0.12) \\
Nap Treatment  & 0.94 & 0.99 & 0.85 & 0.84 & 0.97 & 0.96  \\
& (0.04) & (0.16) & (0.05) & (0.61) & (0.06) & (0.14) \\
Control & 0.84 & 0.77 & 0.80 & 0.65 & 0.86 & 0.75 \\
& (0.04) & (0.15) & (0.05) & (0.38) &(0.06) & (0.13)  \\
\midrule
\textit{p}-value NS vs. Control & 0.89 & 0.83 & 0.58 & 0.57 & 0.88 & 0.68  \\
\textit{p}-value Nap vs. Control & 0.01 & 0.11 & 0.28 & 0.71 & 0.02 & 0.06 \\
Participants & 451 & 451 & 450 & 450 & 451 & 451 \\
\bottomrule
\end{tabular*}
